This is a suggested email letter and links for introducing people, organizations, and groups to the climate engineering issue. Click any of the following file types to download the Climate Engineering Introduction Letter. We are providing the letter in different formats for your convenience. PDF (.pdf) Open Office (.odt) MS Word 6 (.doc) Text (.txt) Rich Text (.rtf) HTML (.html) Spanish Translation: Carta introductoria a la Ingeniería del Clima (.rtf) Other awareness raising tools Introduction to solar geoengineering Geoengineering / Solar Radiation Management / Drought What if there were a monumental environmental threat that you didn’t even know was happening?